Past date
Middle Fork of the Salmon River, May 20, 2020
River flow4.79 ft
Actual · 05/20/2020
4.79 ft; discharge 5,190 cfs
USGS daily
05/20 average
5.40 ft; discharge 7,082 cfs
20-year USGS
Below average by 0.61 ft.
Weather & snowStanley, ID · 45° / 34°F · 0.31" · Banner 312 · Banner Summit 312, 05/20 average: 66% of peak melted · 10.0 in SWE
Stanley, ID
That day · 2020
45° / 34°F · 0.31"
05/20 average
60° / 31°F · 0.06"
18 years
Middle Fork Lodge
Lodge averages are for future dates only (station ended 2013).
Salmon, ID
That day · 2020
63° / 45°F · 0.83"
05/20 average
69° / 43°F · 0.11"
18 years
Banner Summit 312
Banner Summit 312, 05/20 average: 66% of peak melted · 10.0 in SWE
Deadwood Summit 439
Deadwood Summit 439, 05/20 average: 39% of peak melted · 27.3 in SWE
Lottery oddsOutside the May 28–Sep 3 lottery season. Season-wide 2025: 1.79%.
2025 lottery
Outside the May 28–Sep 3 lottery season. Season-wide 2025: 1.79%.
Day-of-week context (2025)
Days with the best odds: Saturday 2.81%, Friday 2.17%
Days with the worst odds: Monday 1.05%, Tuesday 1.54%
Wednesdays: 1.90%, about 1 in 53
Odds are launches ÷ first-choice applications (2025 USFS). That is date competition, not a personal win rate.